redis基本操作

  
  

127.0.0.1:6379> set name "lck"
OK
127.0.0.1:6379> get name
"lck"
127.0.0.1:6379> append name "jaca"
(integer) 7
127.0.0.1:6379> get name
"lckjaca"

  
  

127.0.0.1:6379> lpush lists redis        #左添加
(integer) 1
127.0.0.1:6379> lpush lists mongo        #左添加
(integer) 2
127.0.0.1:6379> lrange lists 1:-1       #有错误
(error) ERR wrong number of arguments for \'lrange\' command
127.0.0.1:6379> lrange lists 1 -1        #获取1到最后所有数据
1) "redis"
127.0.0.1:6379> lrange lists 0 -1        #获取所有数据
1) "mongo"
2) "redis"
127.0.0.1:6379> rpush lists python        #右添加数据
(integer) 3
127.0.0.1:6379> lrange lists 0 -1
1) "mongo"
2) "redis"
3) "python"
127.0.0.1:6379> lpop lists        #左取数据，取出后数据就没有了
"mongo"
127.0.0.1:6379> lrange lists 0 -1
1) "redis"
2) "python"
127.0.0.1:6379> rpop lists        #右边取数据
"python"
127.0.0.1:6379> lrange lists 0 -1
1) "redis"
127.0.0.1:6379> llen lists
(integer) 1

  
  

127.0.0.1:6379> sadd sets a
(integer) 1
127.0.0.1:6379> sadd sets bb
(integer) 1
127.0.0.1:6379> sadd sets bb
(integer) 0
127.0.0.1:6379> sadd sets ccc
(integer) 1
127.0.0.1:6379> sadd sets ccc
(integer) 0
127.0.0.1:6379> sadd sets a bb dddd
(integer) 1
127.0.0.1:6379> scard sets
(integer) 4
127.0.0.1:6379> scan sets
(error) ERR invalid cursor
127.0.0.1:6379> smember sets
(error) ERR unknown command \'smember\'
127.0.0.1:6379> smembers sets
1) "ccc"
2) "a"
3) "bb"
4) "dddd"
127.0.0.1:6379> scard set
(integer) 0
127.0.0.1:6379> scard sets
(integer) 4
127.0.0.1:6379> srem sets "dddd"
(integer) 1
127.0.0.1:6379> smembers sets
1) "ccc"
2) "a"
3) "bb"
127.0.0.1:6379> sadd setA 1 2 3
(integer) 3
127.0.0.1:6379> sadd setB 2 3 4
(integer) 3
127.0.0.1:6379> sdiff setA setB
1) "1"

  
  

127.0.0.1:6379> zadd sortset 1 redis 3 mysql 2 python
(integer) 3
127.0.0.1:6379> zmembers sortset
(error) ERR unknown command \'zmembers\'
127.0.0.1:6379> smembers sortset
(error) WRONGTYPE Operation against a key holding the wrong kind of value
127.0.0.1:6379> zrange sortset 0 -1
1) "redis"
2) "python"
3) "mysql"
127.0.0.1:6379> zadd sortset 2 mongo
(integer) 1
127.0.0.1:6379> zrange sortset 0 -1
1) "redis"
2) "mongo"
3) "python"
4) "mysql"
127.0.0.1:6379> zrank sortset 2
(nil)
127.0.0.1:6379> zrank sortset mongo
(integer) 1
127.0.0.1:6379> zrank sortset python
(integer) 2
127.0.0.1:6379> zrevrank sortset mongo
(integer) 2
127.0.0.1:6379> zrangebysocre sortset 2 3 withscores
(error) ERR unknown command \'zrangebysocre\'
127.0.0.1:6379> zrangebyscore sortset 2 3 withscores
1) "mongo"
2) "2"
3) "python"
4) "2"
5) "mysql"
6) "3"
127.0.0.1:6379> zcount sortset 2 3
(integer) 3
127.0.0.1:6379> zcard sortset
(integer) 4

  
  

127.0.0.1:6379> hset hashset field1 hello
(integer) 1
127.0.0.1:6379> hsetnx hashset field "hello"
(integer) 1
127.0.0.1:6379> hsetnx hashset field "hello"
(integer) 0
127.0.0.1:6379> hsetnx hashset field1 "hello"
(integer) 0
127.0.0.1:6379> hmset hash set field1 "hello1" field2 "hello2"
(error) ERR wrong number of arguments for HMSET
127.0.0.1:6379> hmset hashset field1 "hello1" field2 "hello2"
OK
127.0.0.1:6379> hget hashset field1
"hello1"
127.0.0.1:6379> hget hashset field2
"hello2"
127.0.0.1:6379> hget hashset field
"hello"
127.0.0.1:6379> hget hashset field3
(nil)
127.0.0.1:6379> hmget hashset field field1
1) "hello"
2) "hello1"
127.0.0.1:6379> hexist hashset field
(error) ERR unknown command \'hexist\'
127.0.0.1:6379> hexists hashset field
(integer) 1
127.0.0.1:6379> hexists hashset field4
(integer) 0
127.0.0.1:6379> hlen hashset
(integer) 3
127.0.0.1:6379> hdel hashset field2
(integer) 1
127.0.0.1:6379> hkeys hashset
1) "field1"
2) "field"
127.0.0.1:6379> hvals hashset
1) "hello1"
2) "hello"
127.0.0.1:6379> hgetall hashset
1) "field1"
2) "hello1"
3) "field"
4) "hello"